X=int(input())
N=8-int((X-400)/200)
print(N) X=int(input()) X int(input()) int input() input N=8-int((X-400)/200) N 8-int((X-400)/200) 8 int((X-400)/200) int (X-400)/200 X-400 X 400 200 print(N) print N N=8-int((X-400)/200) 8-int((X-400)/200) N X=int(input()) int(input()) X
X=int(input())
N=8-int((X-400)/200)
print(N)